CN113017740A

CN113017740A - Anastomat with firm nail of easily buckling

Info

Publication number: CN113017740A
Application number: CN202110138218.3A
Authority: CN
Inventors: 施俭; 向长林
Original assignee: Suzhou Beinuo Medical Instruments Co Ltd
Current assignee: Suzhou Beinuo Medical Instruments Co Ltd
Priority date: 2021-02-01
Filing date: 2021-02-01
Publication date: 2021-06-25
Anticipated expiration: 2041-02-01
Also published as: CN113017740B

Abstract

The invention discloses an anastomat with easily bent and firm nails, which belongs to the technical field of endoscopic cutting anastomats and comprises an anastomat main body and a nail bin assembly, wherein the anastomat main body and the nail bin assembly are detachably connected, a safety structure penetrates through the side surface of the nail bin assembly, a knob is arranged at the tail end of the anastomat main body, and the safety structure is controlled by the knob. The invention adopts a safety structure, when the tissue of a patient is cut and sutured, the nail bin assembly is not easy to loosen after clamping the tissue, the tissue is not easy to loosen, and the difficulty in the suturing process is reduced. The inside haulage rope of safe subassembly can relax the haulage rope through looping through nail storehouse subassembly and anastomat, when rotatory knob, and the litter slides under compression spring's tension effect, carries on spacing fixed to the inside clamp plate of nail storehouse subassembly for the clamp plate can closely laminate and treat to sew up the tissue surface, and the difficult slippage of tissue under the clamp plate.

Description

Anastomat with firm nail of easily buckling

Technical Field

The invention relates to the technical field of endoscope cutting anastomats, in particular to an anastomat with easily-bent firm nails.

Background

Staplers are devices used in medicine to replace manual suturing, the main working principle being the detachment or anastomosis of tissue by titanium staples, similar to staplers. The anastomat can be mainly divided into a skin anastomat, a circular anastomat for digestive tracts (esophagus, stomach and intestine and the like), a rectal anastomat, a circular hemorrhoid anastomat, a circumcision anastomat, a blood vessel anastomat, a hernia anastomat, a lung cutting stapler and the like according to different application ranges. Because of safety, reliability, convenience and rapidness, the method is widely applied and popularized in recent years. The suture titanium nail plays an important role as a key part of the anastomat, has very strict requirements on the material, the shape and the size of the suture titanium nail, and has the problems that the production and the manufacture of the suture titanium nail are always a difficult problem for anastomat production enterprises because the suture titanium nail has small volume and precise size requirements and the mouth part of the suture titanium nail needs to be sharp and sharp.

The working principle of the surgical anastomat is generally as follows: the tissue is stapled together by closing two cooperating handle assemblies (typically one handle containing the anvil assembly and the other handle containing the cartridge assembly) to grasp the tissue and then pushing the staples out of the cartridge assembly for formation. In some staplers, a cutting blade is provided to cut the tissue between the rows of staples while the rows of staples are being driven into the body tissue, thereby severing the stapled tissue.

The nail bin assembly of the anastomat in the prior art is easy to loosen after clamping the assembly, the tissue is easy to loosen, and great difficulty is brought to the suturing process.

Disclosure of Invention

The invention aims to provide an anastomat with easily bent and firm nails, and aims to solve the technical problems that the anastomat cannot be repeatedly used and is convenient to construct in the prior art.

The invention provides an anastomat with easily bent and firm nails, which comprises an anastomat main body and a nail bin assembly, wherein the anastomat main body is detachably connected with the nail bin assembly, a safety structure penetrates through the side face of the nail bin assembly, a knob is arranged at the tail end of the anastomat main body, and the safety structure is controlled by the knob.

Further, the nail storehouse subassembly includes can dismantle the retaining member of being connected with the anastomat main part, the end of retaining member is fixed with the connecting rod, and the inside cavity of connecting rod, the one end that the retaining member was kept away from to the connecting rod is fixed with the movable structure, the one end that the connecting rod was kept away from to the movable structure is fixed with the nail storehouse body.

Further, the inside clamp plate that has inlayed of nail storehouse body, and clamp plate and nail storehouse body swing joint, the tail end of nail storehouse body is fixed with the nail storehouse beak, and the cross-section of nail storehouse beak is the wedge, the nail groove has been seted up to the top surface of nail storehouse body, and the nail inslot block has the titanium nail.

Further, the safety structure includes the fixing base with the inboard fixed connection of nail storehouse body, the fixing base is inside to be inlayed and to have a litter, and litter and fixing base sliding connection, the tail end of litter has inlayed the locating part, and locating part and nail storehouse body inner wall are fixed, compression spring has inlayed on the litter surface, and compression spring's both ends offset with locating part, nail storehouse body inner wall respectively, the tail end winding of litter is fixed with the haulage rope, and the tail end of haulage rope runs through anastomat main part and nail storehouse subassembly to with knob swing joint.

Further, the movable structure includes the activity head with nail storehouse body swing joint, the surface of activity head is equipped with the fixed plate, and the activity head passes through fixed plate and connecting rod swing joint, the fixed plate surface runs through and is equipped with the movable rod, and the movable rod runs through fixed plate and activity head lateral wall simultaneously.

Further, can dismantle in the retaining member and be connected with the connector, the nested pole that probes into in connector surface, the terminal swing joint who probes into the pole has the connecting seat, the connecting seat with probe into the nested rotating head that has of pole junction, one side that the pole was kept away from to probe into to the connecting seat is fixed with the main part of gripping, grip main part and connecting seat junction swing joint have the grab handle.

Further, first recess and second recess have all been seted up to two sides of titanium nail, and first recess and second recess are blind groove.

Furthermore, a bent part is arranged between the first groove and the second groove of the titanium nail, and the shape of the bent part is similar to an S shape.

Further, the first groove and the second groove of the titanium nail are provided with reinforcing parts, and the reinforcing parts are made of 65 manganese.

Further, the two rows of nail grooves close to the inside are embedded with blades, the edges of the blades are provided with reinforced edges made of 65 manganese, and the blades are trapezoidal in shape.

Compared with the prior art, the invention has the beneficial effects that:

firstly, the invention adopts a safety structure, when the tissue of a patient is cut and sutured, the nail bin assembly is not easy to loosen after clamping the tissue, the tissue is not easy to loosen, and the difficulty of the suturing process is reduced. The inside haulage rope of safe subassembly can relax the haulage rope through looping through nail storehouse subassembly and anastomat, when rotatory knob, and the litter slides under compression spring's tension effect, carries on spacing fixed to the inside clamp plate of nail storehouse subassembly for the clamp plate can closely laminate and treat to sew up the tissue surface, and the difficult slippage of tissue under the clamp plate.

Secondly, the invention adopts a movable structure mode, ensures that the nail bin assembly can freely rotate in the cavity of a patient, and is convenient for the suture and cutting operation of a doctor. According to the invention, the connecting rod and the nail bin body are movably connected by adopting a movable structure, the movable head is arranged between the connecting rod and the nail bin body, the connecting rod and the nail bin body can freely rotate relative to the movable head, the connecting rod and the nail bin body are limited by two fixing plates, and meanwhile, the two fixing plates are movably connected by the movable head, so that the connecting rod and the nail bin body can be bent at any angle, when the complicated tissue in a patient body is treated, the angles of the nail bin body and the connecting rod can be freely adjusted, and the nail bin body can completely clamp the tissue to be sutured.

Thirdly, the movable grab handle is adopted, so that the grab handle can be folded and rotated conveniently during operation, the sight of a doctor cannot be shielded, the operation of the doctor is facilitated, and the occurrence probability of accidents in the operation is reduced.

According to the technical scheme, the bent part is S-shaped, after the bent part is bent, the contact area of the titanium nail and the tissue is increased, the titanium nail is changed from the original two-dimensional state to the three-dimensional state, and the original line contact is changed into the current surface contact, so that the stability of the titanium nail after being nailed into the tissue is enhanced, the titanium nail after being sutured is prevented from loosening, and the postoperative recovery of a patient is guaranteed.

Fifthly, reinforcing parts are arranged at the first groove and the second groove of the titanium nail and made of 65 manganese. By adopting the technical scheme of the invention, the bending part of the titanium nail is reinforced by 65 manganese, and the 65 manganese has the advantages of high strength, good flexibility and good plasticity; and under the condition of the same surface state and complete quenching, the fatigue limit of 65 manganese is equivalent to that of a multicoloured alloy spring, so that the titanium nail has better metal characteristics, and the stability of the sewed titanium nail can be ensured.

Sixthly, blades are embedded into the two rows of nail grooves close to the interior, the blades are provided with reinforced edges at the edges, the reinforced edges are made of 65 manganese, and the blades are trapezoidal in shape. By adopting the technical scheme of the invention, a mode of cutting by staggered titanium nails in the original technology is replaced, the cutting sharpness of the blade is ensured, the condition of adhering the cut cannot occur, and the safety of tissue cutting is enhanced; the reinforced edge of the blade edge is made of 65 manganese, so that the toughness and sharpness of the blade edge are ensured, and the condition of edge rolling during tissue cutting is prevented; the whole shape of the blade is changed into a trapezoid, so that the contact area between the blade edge and the tissue is small, the tissue section cannot be greatly pressed, the tissue can be cut more smoothly, and the bleeding amount in the cutting process is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic major isometric view of a body of the present invention;

FIG. 2 is a schematic perspective view of the staple cartridge assembly of the present invention;

FIG. 3 is a left side elevational view of the cartridge assembly of the present invention;

FIG. 4 is a cross-sectional view of a staple cartridge assembly of the present invention;

FIG. 5 is an enlarged view of FIG. 4-A;

FIG. 6 is a front view of a titanium nail according to the first embodiment of the present invention after deployment;

FIG. 7 is a schematic perspective view of a titanium nail according to a second embodiment of the present invention after being folded;

FIG. 8 is a front view of a titanium nail according to a third embodiment of the present invention after deployment;

fig. 9 is a front view of a blade of the present invention.

Reference numerals:

1. a stapler body; 2. a staple cartridge assembly; 3. a connector; 4. a probing rod; 5. rotating the head; 6. a connecting seat; 7. a holding body; 8. a handle; 9. a knob; 10. a locking member; 11. a connecting rod; 12. a movable structure; 1201. a movable head; 1202. a fixing plate; 1203. a movable rod; 13. a nail bin body; 14. pressing a plate; 15. a nail groove; 16. a nail bin beak; 17. a safety structure; 1701. a fixed seat; 1702. a slide rod; 1703. a limiting member; 1704. a compression spring; 1705. a hauling rope; 18. titanium nails; 19. a first groove; 20. a second groove; 21. a bending section; 22. a reinforcing portion; 23. a blade; 24. the knife edge is strengthened.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention.

The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.

All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Specific example 1:

referring to fig. 1 to 6, an embodiment of the present invention provides an anastomat with easily bendable and firm nails, including an anastomat main body 1 and a nail bin assembly 2, wherein the anastomat main body 1 and the nail bin assembly 2 are detachably connected, a safety structure 17 is arranged on a side surface of the nail bin assembly 2 in a penetrating manner, a knob 9 is arranged at a tail end of the anastomat main body 1, and the safety structure 17 is controlled by the knob 9.

Specifically, nail storehouse subassembly 2 includes can dismantle retaining member 10 of being connected with anastomat main part 1, and the end of retaining member 10 is fixed with connecting rod 11, and the inside cavity of connecting rod 11, and the one end that retaining member 10 was kept away from to connecting rod 11 is fixed with movable structure 12, and the one end that connecting rod 11 was kept away from to movable structure 12 is fixed with nail storehouse body 13.

Specifically, the inside clamp plate 14 that has inlayed of nail storehouse body 13, and clamp plate 14 and nail storehouse body 13 swing joint, the tail end of nail storehouse body 13 is fixed with nail storehouse beak 16, and the cross-section of nail storehouse beak 16 is the wedge, and nail groove 15 has been seted up to the top surface of nail storehouse body 13, and the joint has titanium nail 18 in nail groove 15.

Specifically, the safety structure 17 includes a fixing seat 1701 fixedly connected to the inner side of the staple cartridge body 13, a slide bar 1702 is embedded in the fixing seat 1701, the slide bar 1702 is slidably connected to the fixing seat 1701, a limit piece 1703 is embedded at the tail end of the slide bar 1702, the limit piece 1703 is fixed to the inner wall of the staple cartridge body 13, a compression spring 1704 is embedded in the surface of the slide bar 1702, two ends of the compression spring 1704 respectively abut against the limit piece 1703 and the inner wall of the staple cartridge body 13, a pull rope 1705 is wound and fixed at the tail end of the slide bar 1702, and the tail end of the pull rope 1705 penetrates through the stapler body 1 and the staple cartridge assembly 2 and is movably connected to the knob.

Specifically, the movable structure 12 includes a movable head 1201 movably connected to the staple cartridge body 13, a fixed plate 1202 is disposed on a surface of the movable head 1201, the movable head 1201 is movably connected to the connecting rod 11 through the fixed plate 1202, a movable rod 1203 penetrates through a surface of the fixed plate 1202, and the movable rod 1203 penetrates through side walls of the fixed plate 1202 and the movable head 1201 simultaneously.

Specifically, can dismantle in retaining member 10 and be connected with

connector

3, 3 surperficial nestings of connector have into pole 4, and the terminal swing joint who goes into pole 4 has connecting seat 6, and connecting seat 6 and the nestification of the 4 junctions of going into pole have rotating head 5, and one side that probing into pole 4 was kept away from to connecting seat 6 is fixed with grips main part 7, grips main part 7 and connecting seat junction swing joint have grab handle 8.

Specifically, a first groove 19 and a second groove 20 are formed in two side edges of the titanium nail 18, and the first groove 19 and the second groove 20 are blind grooves.

Aiming at the working principle of the embodiment 1 in fig. 1-6:

in this embodiment, when using this product, rotatable rotating head 5, can make nail storehouse subassembly 2 freely rotate in the patient's is internal, position according to patient's affected part tissue, insert through nail storehouse beak 16 and wait to sew up under the cutting tissue, use nail storehouse subassembly 2 centre gripping patient tissue, constantly press down grab handle 8, can make nail storehouse subassembly 2 compress tightly tissue, the cutting is sewed up to patient tissue to the inside titanium nail 18 of nail storehouse subassembly 2, and the bending part of titanium nail 18 adopts the design of first recess 19, it goes into the in-process to have guaranteed that titanium nail 18 is nailed, titanium nail 18 is difficult for taking place the distortion, and can buckle into the B font of prediction, thereby realize sewing up the tissue. And the haulage rope 1705 in the safety structure 17 passes through the nail bin assembly 2 and the anastomat main body 1 in sequence, when the knob 9 is rotated, the haulage rope 1705 can be loosened, the sliding rod 1702 slides under the tension action of the compression spring 1704 to limit and fix the pressing plate 14 in the nail bin assembly 2, so that the pressing plate 14 can be tightly attached to the surface of the tissue to be sutured, and the tissue below the pressing plate 14 is not easy to slip.

Specific example 2:

a bent part 21 can be arranged between the first groove 19 and the second groove 20 of the titanium nail 18, and the bent part 21 is S-shaped.

For the specific embodiment 2 of fig. 7, the working principle is as follows:

in this embodiment, the titanium nail 18 of this product can be replaced by the above technical solution, the S-shaped bending portion 21 increases the contact area between the titanium nail 18 and the tissue after bending, changes the titanium nail 18 from the original two-dimensional shape to the three-dimensional shape, and changes the original line contact to the current surface contact, thereby enhancing the stability of the titanium nail 18 after being nailed into the tissue, preventing the sutured titanium nail 18 from loosening, and ensuring the postoperative recovery of the patient.

Specific example 3:

the first groove 19 and the second groove 20 of the titanium nail 18 are both provided with a reinforcing part 22, and the reinforcing part 22 is made of 65 manganese.

For the specific embodiment 3 of fig. 7, the working principle is as follows:

in the embodiment, the titanium nail 18 of the product can be replaced by the technical scheme, the bent part of the titanium nail 18 is reinforced by 65 manganese, and the 65 manganese has the advantages of high strength, good flexibility and good plasticity; and under the condition of the same surface state and complete quenching, the fatigue limit of 65 manganese is equivalent to that of a multicoloured alloy spring, so that the titanium nail 18 has better metal characteristics, and the stability of the titanium nail 18 after sewing can be ensured.

Specific example 4:

the blades 23 are embedded in the two rows of nail grooves 15 close to the inside, the edges of the blades 23 are provided with reinforced edges 24, the reinforced edges 24 are made of 65 manganese, and the blades 23 are trapezoid-like in shape.

For the specific embodiment 4 of fig. 8, the working principle is as follows:

in the embodiment, the blades 23 can be embedded in the two rows of nail grooves 15 close to the inside of the product, a cutting mode of cutting by staggered titanium nails 18 in the original technology is replaced, the cutting sharpness of the blades 23 is ensured, the situation of incision adhesion is avoided, and the safety of tissue cutting is enhanced; the reinforced cutting edge 24 at the cutting edge of the blade 23 is made of 65 manganese, so that the toughness and sharpness of the cutting edge are ensured, and the condition of edge rolling during tissue cutting is prevented; the overall shape of the blade 23 is changed into a trapezoid, so that the contact area between the blade edge and the tissue is small, the tissue section is not greatly pressed, the tissue can be cut smoothly, and the bleeding amount in the cutting process is reduced.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides an anastomat with firm nail of easily buckling, includes anastomat main part (1) and nail storehouse subassembly (2), and anastomat main part (1) and nail storehouse subassembly (2) detachably connect its characterized in that: the side of nail storehouse subassembly (2) runs through and is equipped with safety structure (17), anastomat main part (1) tail end is equipped with knob (9), and safety structure (17) pass through knob (9) control, nail storehouse subassembly (2) include with anastomat main part (1) can dismantle retaining member (10) of being connected, the end of retaining member (10) is fixed with connecting rod (11), and connecting rod (11) inside cavity, the one end that retaining member (10) were kept away from in connecting rod (11) is fixed with movable structure (12), the one end that connecting rod (11) were kept away from in movable structure (12) is fixed with nail storehouse body (13), nail storehouse body (13) inside clamp plate (14) have been inlayed, and clamp plate (14) and nail storehouse body (13) swing joint, the tail end of nail storehouse body (13) is fixed with nail storehouse beak (16), and the cross-section of nail storehouse beak (16) is the wedge, nail groove (15) have been seted up to the top surface of nail storehouse body (13), and the block has titanium nail (18) in nail groove (15), first recess (19) and second recess (20) have all been seted up to two sides of titanium nail (18), and just first recess (19) and second recess (20) are blind groove.

2. The stapler with the easily bendable firm nail according to claim 1, wherein: the safety structure (17) comprises a fixing seat (1701) fixedly connected with the inner side of the nail bin body (13), a sliding rod (1702) is embedded in the fixing seat (1701), the sliding rod (1702) is in sliding connection with the fixing seat (1701), a limiting piece (1703) is embedded at the tail end of the sliding rod (1702), the limiting piece (1703) is fixed to the inner wall of the nail bin body (13), a compression spring (1704) is embedded on the surface of the sliding rod (1702), two ends of the compression spring (1704) are respectively abutted against the limiting piece (1703) and the inner wall of the nail bin body (13), a traction rope (1705) is wound and fixed at the tail end of the sliding rod (1702), and the tail end of the traction rope (1705) penetrates through the nail bin assembly (2) and the main body (1) of the anastomat and is movably connected with the knob.

3. The stapler with the easily bendable firm nail according to claim 2, wherein: the movable structure (12) comprises a movable head (1201) movably connected with the nail bin body (13), a fixed plate (1202) is arranged on the surface of the movable head (1201), the movable head (1201) is movably connected with the connecting rod (11) through the fixed plate (1202), a movable rod (1203) penetrates through the surface of the fixed plate (1202), and the movable rod (1203) penetrates through the side walls of the fixed plate (1202) and the movable head (1201) simultaneously.

4. The stapler with the easily bendable firm nail according to claim 3, wherein: can dismantle in retaining member (10) and be connected with connector (3), connector (3) surface nestification has into pole (4), the terminal swing joint who probes into pole (4) has connecting seat (6), connecting seat (6) and probe into pole (4) junction nestification have rotating head (5), one side that probes into pole (4) was kept away from in connecting seat (6) is fixed with grips main part (7), grip main part (7) and connecting seat (6) junction swing joint have grab handle (8).

5. The stapler with the easily bendable firm nail according to claim 4, wherein: a bent part (21) is arranged between the first groove (19) and the second groove (20) of the titanium nail (18), and the shape of the bent part (21) is similar to an S shape.

6. The stapler with the easily bendable firm nail according to claim 5, wherein: the first groove (19) and the second groove (20) of the titanium nail (18) are respectively provided with a reinforcing part (22), and the reinforcing parts (22) are made of 65 manganese.

7. The stapler with the easily bendable firm nail according to claim 6, wherein: the two rows of nail grooves (15) close to the inside are internally embedded with blades (23), the edges of the blades (23) are provided with reinforced edges (24), the reinforced edges (24) are made of 65 manganese, and the blades (23) are trapezoidal in shape.